package com.lfc.guavaobserver;



public class DemoOne {

    public static void main(String[] args) {
//        Class<Integer> i = Integer.class;
//        Class<?>[] is = i.getInterfaces();
//        for (Class<?> t : is) {
//            System.out.println(t);
//        }
        Class<? super Integer> s = Integer.class.getSuperclass();
        Class<?>[] is = s.getInterfaces();
        for (Class<?> i : is) {
            System.out.println(i);
        }

    }
}
//class Person{
//    public void hello(){
//        System.out.println("Person::hello");
//    }
//}
//class Student extends Person{
//    public void hello(){
//        System.out.println("student::hello");
//    }
//}
